1303304331113 has 4 divisors (see below), whose sum is σ = 1307468243028. Its totient is φ = 1299140419200.

The previous prime is 1303304331079. The next prime is 1303304331163. The reversal of 1303304331113 is 3111334033031.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 382477928704 + 920826402409 = 618448^2 + 959597^2 .

It is a cyclic number.

It is not a de Polignac number, because 1303304331113 - 2²⁶ = 1303237222249 is a prime.

It is a super-3 number, since 3×1303304331113³ (a number of 37 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1303304331163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2081955488 + ... + 2081956113.

It is an arithmetic number, because the mean of its divisors is an integer number (326867060757).

Almost surely, 2^{1303304331113} is an apocalyptic number.

It is an amenable number.

1303304331113 is a deficient number, since it is larger than the sum of its proper divisors (4163911915).

1303304331113 is an equidigital number, since it uses as much as digits as its factorization.

1303304331113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4163911914.

The product of its (nonzero) digits is 2916, while the sum is 26.

Adding to 1303304331113 its reverse (3111334033031), we get a palindrome (4414638364144).

The spelling of 1303304331113 in words is "one trillion, three hundred three billion, three hundred four million, three hundred thirty-one thousand, one hundred thirteen".